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Computers use virtual memory, can you explain what this is and how it is used?

Virtual memory is within the hard disk of the computer. It functions in the same way as RAM, but storing open applications when there is not enough RAM. It has a slower access time than the main memory and i...
TD
3174 Views

I'm not from a medical background. How can I go about getting relevant work experience?

Fortunately medical schools are well aware of how difficult it can be to get experience in clinical settings. As a result they are much more interested in how you reflect on the work experience that you have...
BR
2053 Views

Solve this question

2X2 = 4
MK
Answered by Maria K. • Maths tutor
4233 Views

The curve C has equation x^2 + 2xy + 3y^2 = 4. Find dy/dx.

Here, we have to use implicit differentiation, along with the product rule. Remember that the product rule is (vu)' = vu'+uv'. Moving through the equation we have: x^2+2xy+3y^2 = 4 ==> 2x +2y + 2x*(dy/dx)...
CB
Answered by Chris B. • Maths tutor
12992 Views

How can i add algebraic fractions, such as 1/(1-x) + 2/x

The trick to working out how to do this, is to remember how to add normal fractions! We know 1/8 + 3/8 = 4/8 . The point here is that IF THE DENOMINATORS ARE THE SAME, we can add the numerators. So what abou...
MW
Answered by Matthew W. • Maths tutor
4849 Views